The Pin-Rivet, cataloged under National Stock Number 5320-01-166-3669, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-166-3669 |
| Primary Part Number | HLT33TB-6-6-5M |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| Fastener Length | 0.699 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | CROWN COUTERSUNK GREATER THAN 135 DEGREES |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.411 INCHES MAXIMUM IN |
| Width Between Flats | 0.0791 INCHES MINIMUM AND 0.0806 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.3813 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 3M923C3-6-5 | The Boeing Company Div Defense (USA) |
| HP4923C3-6-5 | Heartland Precision Fasteners Inc (USA) |
| HLT33TB-6-6-5M | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HLT33TB-6-6-5M PRIMARY | Hi-Shear Corporation (USA) |
| HLT33TB-6-6-5M PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HLT33TB-6-6-5M | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HLT33TB-6-6-5M | West Coast Aerospace, Inc. (USA) |
| HLT33TB-6-6-5M | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| HLT33TB-6-6-5M | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| HLT33TB-6-6-5M | 5/9 Secondary reference U.S. Government activity |
| HLT33TB-6-6-5M | 5/9 Secondary reference U.S. Government activity |
| 10111949 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5320-01-166-3669 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-166-3669 has 8 manufacturer part numbers on file: 3M923C3-6-5 (The Boeing Company Div Defense), HP4923C3-6-5 (Heartland Precision Fasteners Inc), HLT33TB-6-6-5M (Sps Technologies, Llc Dba PB Fasteners), HLT33TB-6-6-5M (Hi-Shear Corporation), HLT33TB-6-6-5M (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 3 more.
Key specifications for HLT33TB-6-6-5M: Shank Diameter: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP; Fastener Length: 0.699 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN; Criticality Code Justification: FEAT. 18 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.